Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,936 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

Showing 841–900 of 8,936 contractors

Air Treatment Corporation
Brea, CA · CSLB #793078 · as of October 7, 2026
Active · clear
Air Trend
Simi Valley, CA · CSLB #323857 · as of October 7, 2026
Active · clear
Air Trim Heating And Air Conditioning
Glendora, CA · CSLB #931805 · as of October 7, 2026
Active · clear
Airtronix INC
Santa Ana, CA · CSLB #950389 · as of October 7, 2026
Active · clear
Airtrust Mechanical A/c & Heating
Los Angeles, CA · CSLB #974512 · as of October 7, 2026
Active · clear
Air Tyme Ac & Heating Service INC
Chino, CA · CSLB #1024356 · as of October 7, 2026
Active · clear
Air Vista INC
Huntington Beach, CA · CSLB #554338 · as of October 7, 2026
Active · clear
Airwave Mechanical INC
San Marcos, CA · CSLB #996826 · as of October 7, 2026
Active · clear
Airwaves HVAC INC
Baldwin Park, CA · CSLB #1046774 · as of October 7, 2026
Active · clear
Air Wave Technologies INC
Tarzana, CA · CSLB #796755 · as of October 7, 2026
Active · clear
Airway Heating & Air
Nipomo, CA · CSLB #923588 · as of October 7, 2026
Active · clear
Airway Heating & Air Conditioning
Manteca, CA · CSLB #820367 · as of October 7, 2026
Active · clear
Air Well Air-conditioning And Heating
Van Nuys, CA · CSLB #585200 · as of October 7, 2026
Active · clear
Airwerks INC
Chino, CA · CSLB #939296 · as of October 7, 2026
Active · clear
Airwerx Commercial Services INC
Alpine, CA · CSLB #915127 · as of October 7, 2026
Active · clear
Air West Mechanical Construction INC
Norwalk, CA · CSLB #868570 · as of October 7, 2026
Active · clear
Airwise HVAC Solutions LLC
Citrus Heights, CA · CSLB #1161580 · as of October 7, 2026
Active · clear
Air - Wolf
Hollister, CA · CSLB #604620 · as of October 7, 2026
Active · clear
Air Wolf Energy Efficiency Systems
Penn Valley, CA · CSLB #953463 · as of October 7, 2026
Active · clear
Airwork
Glendale, CA · CSLB #1148919 · as of October 7, 2026
Active · clear
Airworks
Murrieta, CA · CSLB #598621 · as of October 7, 2026
Active · clear
Vincent James Mosca DBA Air.works
Thousand Oaks, CA · CSLB #768619 · as of October 7, 2026
Active · clear
Air Works Heating And Cooling
Salinas, CA · CSLB #683893 · as of October 7, 2026
Active · clear
Air- Works Heating & Cooling
San Jose, CA · CSLB #1156195 · as of October 7, 2026
Active · clear
Air Works_mechancial Services
Santa Rosa, CA · CSLB #841860 · as of October 7, 2026
Active · clear
Airworks Solutions INC
Camarillo, CA · CSLB #950716 · as of October 7, 2026
Active · clear
Air Worthy
Fresno, CA · CSLB #993670 · as of October 7, 2026
Active · clear
Airworx LLC
Jamestown, CA · CSLB #1145677 · as of October 7, 2026
Active · clear
Airzone
La Verne, CA · CSLB #846350 · as of October 7, 2026
Active · clear
Air Zone Heating And Air Conditioning
Riverside, CA · CSLB #840511 · as of October 7, 2026
Active · clear
Air Zone Heating And Air Corp
N Highlands, CA · CSLB #892038 · as of October 7, 2026
Active · clear
Air Zone Heating And Cooling INC
Tulare, CA · CSLB #997862 · as of October 7, 2026
Active · clear
Air Zone HVAC INC
Modesto, CA · CSLB #831574 · as of October 7, 2026
Active · clear
Air Zone INC
Alhambra, CA · CSLB #834356 · as of October 7, 2026
Active · clear
Air Zone Mechanical
San Leandro, CA · CSLB #953195 · as of October 7, 2026
Active · clear
Aj Airtech INC
El Centro, CA · CSLB #1045917 · as of October 7, 2026
Active · clear
Ajax Heating And Air Conditioning
Modesto, CA · CSLB #1157056 · as of October 7, 2026
Active · clear
Ajax/sb Refrigeration
Santa Barbara, CA · CSLB #718494 · as of October 7, 2026
Active · clear
Ajb Heating And Air Conditioning
Moreno Valley, CA · CSLB #1104316 · as of October 7, 2026
Active · clear
A J Heating & Air Conditioning
San Bernardino, CA · CSLB #982020 · as of October 7, 2026
Active · clear
A & J Heating And Air
Riverside, CA · CSLB #982418 · as of October 7, 2026
Active · clear
Aj HVAC INC
Harbor City, CA · CSLB #1117535 · as of October 7, 2026
Active · clear
Aj's Heating & Air
Ventura, CA · CSLB #1160904 · as of October 7, 2026
Active · clear
A J V Heating & Cooling
Mariposa, CA · CSLB #818052 · as of October 7, 2026
Active · clear
Ajx Air-conditioning And Heating
Palm Coast, CA · CSLB #488161 · as of October 7, 2026
Active · clear
Akaal Refrigeration INC
Tracy, CA · CSLB #1015877 · as of October 7, 2026
Active · clear
A K Air Systems
Sacramento, CA · CSLB #1069402 · as of October 7, 2026
Active · clear
Akko Heating And Cooling
El Cajon, CA · CSLB #1074332 · as of October 7, 2026
Active · clear
Ala Air Conditioning
Castaic, CA · CSLB #1108776 · as of October 7, 2026
Active · clear
Al Aboosi Air
El Cajon, CA · CSLB #1069741 · as of October 7, 2026
Active · clear
A & L Air Conditioning INC
Fresno, CA · CSLB #1124952 · as of October 7, 2026
Active · clear
Harout Alajajian
Granada Hills, CA · CSLB #1117918 · as of October 7, 2026
Active · clear
Alamo Heating & Cooling INC
Esparto, CA · CSLB #1082498 · as of October 7, 2026
Active · clear
Alamo's Air
Fresno, CA · CSLB #1073904 · as of October 7, 2026
Active · clear
Alanis Air Heating & Air
Valley Center, CA · CSLB #1161030 · as of October 7, 2026
Active · clear
Alanis Air HVAC
Gilroy, CA · CSLB #1109420 · as of October 7, 2026
Active · clear
Alaniz HVAC Services
Hayward, CA · CSLB #1120282 · as of October 7, 2026
Active · clear
Alan's Air Conditioning & Heating
Thousand Palms, CA · CSLB #922835 · as of October 7, 2026
Active · clear
Alaska H V A C
San Juan Capistrano, CA · CSLB #682004 · as of October 7, 2026
Active · clear
Albatec Heating And Air
Westminster, CA · CSLB #1105760 · as of October 7, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.